Quarterly report pursuant to sections 13 or 15(d)

Accounting Policies (Detail Textual)

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Accounting Policies (Detail Textual) (USD $)
3 Months Ended 6 Months Ended 6 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Mar. 30, 2014
Mar. 31, 2013
Sep. 29, 2013
Mar. 30, 2014
Minimum
Mar. 30, 2014
Maximum
Oct. 24, 2011
General Dynamics
Mar. 30, 2014
Series A Preferred Stock
Mar. 31, 2013
Series A Preferred Stock
Mar. 30, 2014
Series A Preferred Stock
Mar. 31, 2013
Series A Preferred Stock
Mar. 30, 2014
Stock Options
Mar. 31, 2013
Stock Options
Mar. 30, 2014
Stock Options
Mar. 31, 2013
Stock Options
Mar. 30, 2014
Warrants
Mar. 31, 2013
Warrants
Mar. 30, 2014
Warrants
Mar. 31, 2013
Warrants
Accounting Policies [Line Items]                                        
Decrease in inventory     $ (656,000)                                  
Inventory reserve period increase     44,000                                  
Delivery period           3 months 60 months                          
Contract amount in milestone event               8,000,000                        
Maximum amount of invoices for milestone event               3,900,000                        
Revenue recognized for achieving substantive milestone events 0 0 0 10,000                                
Customer advances and deposits 2,400,000   2,400,000                                  
Short term customer advance deposits for next twelve months 825,000   825,000   769,000                              
Long term customer advance deposits after March 2015 $ 1,547,000   $ 1,547,000   $ 1,935,000                              
Antidilutive securities excluded from computation of earnings per share, amount                 1,001 1,016 1,001 1,016 63,165,649 48,267,649 63,165,649 48,267,649 1,000,000 4,547,000 1,000,000 4,547,000